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Question: Answered & Verified by Expert
If pqr is False, then the truth values of p, q, r are respectively, (where T is True and F is False)
MathematicsMathematical ReasoningJEE MainJEE Main 2019 (09 Apr Shift 2)
Options:
  • A T, F, F
  • B F, T, T
  • C F, F, F
  • D T, T, F
Solution:
1866 Upvotes Verified Answer
The correct answer is: T, F, F

We know that the conditional statement ab is False only when a is False and b is True.

Hence, p(qr): False when p:True; qr: False

Again, we know that ab is False when both a & b are false.

Hence, p:True; q:False; r: False.

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